Js Implementation of black multi-level menu bar effects for materials websites _ javascript skills

This article mainly introduces how js achieves the black multi-level menu navigation bar for the materials website. It involves the dynamic switching techniques of javascript mouse events and page element styles and has some reference value, for more information about how to implement the black multi-level menu navigation bar for the clip website, see the example in this article. Share it with you for your reference. The details are as follows:

This is a black multi-level menu navigation bar for the materials website. It does not require jQuery and is implemented using CSS + javaScript. The overall effect is very good and it is also very good to learn CSS.

The running effect is as follows:

The Online Demo address is as follows:

Http://demo.jb51.net/js/2015/js-black-color-nav-style-codes/

The Code is as follows:

 Css + js creates a level-2 horizontal drop-down navigation menu with cool black and gray